Henry Broomfield
@HennersBro98
Applied AI @OpenAI, Startups team | Research Engineer | prev. Atla (YC), Maths @Cambridge_Uni, ML @ucl
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Updates to GPT-5.6 reasoning context
One of the quieter but more significant GPT-5.6 updates I'm excited to have played a part in is that reasoning context is preserved across turns, giving:
- better KV cache hit rate - reduces latency and cost
- less repeated reasoning on long-running tasks
- stronger follow-up behavior in complex environments when a task depends on prior hidden thinking
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